There are 2 definitions of rhea in English:

rhea1

Line breaks: rhea
Pronunciation: /ˈriːə
 
/

noun

A large flightless bird of South American grasslands, resembling a small ostrich with greyish-brown plumage.
  • Family Rheidae: two species, Rhea americana and Pterocnemia pennata
More example sentences
  • He saw the common rhea - an ostrichlike bird - living in Argentina.
  • The park is home to 105 species of birds ranging from condors and austral parakeets to rheas - the South American ostriches.
  • For six hours we speed through sensational country, looking out for dolphins in the Straits of Magellan, and rheas, South American ostriches, as we cross the Patagonian steppe.

Origin

early 19th century: modern Latin (genus name), from the name of the Titan Rhea.

Definition of rhea in:

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Word of the day anomalous
Pronunciation: əˈnɒm(ə)ləs
adjective
deviating from what is standard, normal, or expected

There are 2 definitions of rhea in English:

Rhea2

Line breaks: Rhea
Pronunciation: /ˈriːə
 
/
1 Greek Mythology One of the Titans, wife of Cronus and mother of Zeus, Demeter, Poseidon, Hera, and Hades. Frightened of betrayal by their children, Cronus ate them; Rhea rescued Zeus from this fate by hiding him and giving Cronus a stone wrapped in blankets instead.
2 Astronomy A satellite of Saturn, the fourteenth closest to the planet, discovered by Cassini in 1672 (diameter 1,530 km).

Definition of rhea in:

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Word of the day anomalous
Pronunciation: əˈnɒm(ə)ləs
adjective
deviating from what is standard, normal, or expected